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Display Explanation<br />
Quick Reference Guide - Page 21<br />
18: ZONE1, ZONE2 20: HOT WATER<br />
Display Description Display Description<br />
Lights when floor heater or radiator<br />
is connected (when the system has<br />
floor heater or radiator).<br />
ZONE1 selected for Temperature<br />
to be changed.<br />
Lights when system configured to<br />
have 2 zones.<br />
Lights when hot water supply system is<br />
connected (when the system has hot<br />
water supply).<br />
ZONE2 selected for Temperature<br />
to be changed.<br />
HOT WATER selected for Temperature<br />
to be changed.<br />
Lights during heating or cooling<br />
operation using the heat pump.<br />
Lights when hot water supply operation<br />
is performed by heat pump.<br />
Lights when the internal heater is<br />
energized during heating<br />
operation.<br />
Lights when the internal heater is<br />
energized during hot water supply<br />
operation.<br />
Lights when heating is selected.<br />
Lights during hot water supply operation.<br />
Lights when cooling is selected.<br />
Lights while hot water boost is activated.<br />
Lights when the FROST<br />
PROTECTION button is pressed<br />
and goes out when the button is<br />
pressed again.<br />
Lights when the ANTI BACTERIA button<br />
is pressed and goes out when the button<br />
is pressed again.<br />
Lights when Auto operation is<br />
selected.<br />
Lights when unit enters the data set<br />
mode.<br />
°C<br />
Displays heating/cooling set<br />
temperature. (Heating: 20 to 55°C,<br />
factory setting: Auto, cooling: 10 to<br />
30°C) Goes out when Auto<br />
operation is selected.<br />
Lights when the set temperature or<br />
sensor's water temperature is<br />
displayed with the 7-segment<br />
indicator.<br />
°C<br />
Displays hot water set temperature.<br />
(40 to 80°C, factory setting: 65°C)<br />
Lights when the set temperature or<br />
sensor's water temperature is displayed<br />
with the 7-segment indicator.
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